Home / 19,973.12-29,942.40-9,592.16

Finding the Fourth Proportional to 19,973.12, 29,942.40 and 9,592.16

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Solution

The fourth proportional to 19,973.12, 29,942.40 and 9,592.16 is: 14,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.12 : 29,942.40 = 9,592.16 : x
  2. Step 2: Convert to fraction form
    19,973.12/29,942.40 = 9,592.16/x
  3. Step 3: Cross multiply
    19,973.12x = 29,942.40 × 9,592.16
  4. Step 4: Simplify right side
    19,973.12x = 287,212,291.58
  5. Step 5: Solve for x
    x = 287,212,291.58/19,973.12
  6. Step 6: Final answer
    x = 14,379.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.